55751416 has 24 divisors (see below), whose sum is σ = 121601520. Its totient is φ = 23893296.

The previous prime is 55751413. The next prime is 55751417. The reversal of 55751416 is 61415755.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55751411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70720 + ... + 71503.

It is an arithmetic number, because the mean of its divisors is an integer number (5066730).

Almost surely, 2^55751416 is an apocalyptic number.

55751416 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55751416 is an abundant number, since it is smaller than the sum of its proper divisors (65850104).

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

55751416 is a wasteful number, since it uses less digits than its factorization.

55751416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142243 (or 142232 counting only the distinct ones).

The product of its digits is 21000, while the sum is 34.

The square root of 55751416 is about 7466.6870833054. The cubic root of 55751416 is about 382.0192967418.

The spelling of 55751416 in words is "fifty-five million, seven hundred fifty-one thousand, four hundred sixteen".