49773920 has 96 divisors (see below), whose sum is σ = 141523200. Its totient is φ = 16160256.

The previous prime is 49773887. The next prime is 49773923. The reversal of 49773920 is 2937794.

It is a super-2 number, since 2×49773920² = 4954886224332800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49773923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20111 + ... + 22449.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 2^49773920 is an apocalyptic number.

49773920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49773920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70761600).

49773920 is an abundant number, since it is smaller than the sum of its proper divisors (91749280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49773920 is a wasteful number, since it uses less digits than its factorization.

49773920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 49773920 is about 7055.0634299062. The cubic root of 49773920 is about 367.8470536443.

The spelling of 49773920 in words is "forty-nine million, seven hundred seventy-three thousand, nine hundred twenty".