56401548 has 96 divisors (see below), whose sum is σ = 156441600. Its totient is φ = 15805440.

The previous prime is 56401537. The next prime is 56401559. The reversal of 56401548 is 84510465.

It is an interprime number because it is at equal distance from previous prime (56401537) and next prime (56401559).

It is a super-2 number, since 2×56401548² = 6362269233592608, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292140 + ... + 292332.

It is an arithmetic number, because the mean of its divisors is an integer number (1629600).

Almost surely, 2^56401548 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 56401548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78220800).

56401548 is an abundant number, since it is smaller than the sum of its proper divisors (100040052).

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

56401548 is a wasteful number, since it uses less digits than its factorization.

56401548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 56401548 is about 7510.0964041748. The cubic root of 56401548 is about 383.4985044140.

The spelling of 56401548 in words is "fifty-six million, four hundred one thousand, five hundred forty-eight".