55412748 has 84 divisors (see below), whose sum is σ = 150326848. Its totient is φ = 17845920.

The previous prime is 55412737. The next prime is 55412783. The reversal of 55412748 is 84721455.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 27 ways as a sum of consecutive naturals, for example, 90090 + ... + 90702.

Almost surely, 2^55412748 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 55412748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75163424).

55412748 is an abundant number, since it is smaller than the sum of its proper divisors (94914100).

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

55412748 is a wasteful number, since it uses less digits than its factorization.

55412748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 649 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 55412748 is about 7443.9739386970. The cubic root of 55412748 is about 381.2441859545.

The spelling of 55412748 in words is "fifty-five million, four hundred twelve thousand, seven hundred forty-eight".