55747952 has 80 divisors (see below), whose sum is σ = 124658688. Its totient is φ = 23950080.

The previous prime is 55747949. The next prime is 55747973. The reversal of 55747952 is 25974755.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205577 + ... + 205847.

Almost surely, 2^55747952 is an apocalyptic number.

55747952 is a gapful number since it is divisible by the number (52) 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 55747952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62329344).

55747952 is an abundant number, since it is smaller than the sum of its proper divisors (68910736).

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

55747952 is a wasteful number, since it uses less digits than its factorization.

55747952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 352 counting only the distinct ones).

The product of its digits is 441000, while the sum is 44.

The square root of 55747952 is about 7466.4551160507. The cubic root of 55747952 is about 382.0113845825.

The spelling of 55747952 in words is "fifty-five million, seven hundred forty-seven thousand, nine hundred fifty-two".