55412736 has 96 divisors (see below), whose sum is σ = 153316800. Its totient is φ = 17776640.

The previous prime is 55412723. The next prime is 55412737. The reversal of 55412736 is 63721455.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×55412736² = 6141142622011392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55412697 and 55412706.

It is not an unprimeable number, because it can be changed into a prime (55412737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178021 + ... + 178331.

It is an arithmetic number, because the mean of its divisors is an integer number (1597050).

Almost surely, 2^55412736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55412736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76658400).

55412736 is an abundant number, since it is smaller than the sum of its proper divisors (97904064).

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

55412736 is a wasteful number, since it uses less digits than its factorization.

55412736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 345 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 55412736 is about 7443.9731326759. The cubic root of 55412736 is about 381.2441584342.

The spelling of 55412736 in words is "fifty-five million, four hundred twelve thousand, seven hundred thirty-six".