55745850 has 24 divisors (see below), whose sum is σ = 138250080. Its totient is φ = 14865520.

The previous prime is 55745831. The next prime is 55745861. The reversal of 55745850 is 5854755.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55745799 and 55745808.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185670 + ... + 185969.

It is an arithmetic number, because the mean of its divisors is an integer number (5760420).

Almost surely, 2^55745850 is an apocalyptic number.

55745850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55745850 is an abundant number, since it is smaller than the sum of its proper divisors (82504230).

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

55745850 is a wasteful number, since it uses less digits than its factorization.

55745850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371654 (or 371649 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 55745850 is about 7466.3143518071. The cubic root of 55745850 is about 382.0065832222.

The spelling of 55745850 in words is "fifty-five million, seven hundred forty-five thousand, eight hundred fifty".