55374624 has 48 divisors (see below), whose sum is σ = 161511840. Its totient is φ = 18457920.

The previous prime is 55374611. The next prime is 55374637. The reversal of 55374624 is 42647355.

It is an interprime number because it is at equal distance from previous prime (55374611) and next prime (55374637).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31182 + ... + 32909.

It is an arithmetic number, because the mean of its divisors is an integer number (3364830).

Almost surely, 2^55374624 is an apocalyptic number.

55374624 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55374624 is an abundant number, since it is smaller than the sum of its proper divisors (106137216).

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

55374624 is a wasteful number, since it uses less digits than its factorization.

55374624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64110 (or 64096 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 55374624 is about 7441.4127690916. The cubic root of 55374624 is about 381.1567338284.

The spelling of 55374624 in words is "fifty-five million, three hundred seventy-four thousand, six hundred twenty-four".