56481425 has 96 divisors (see below), whose sum is σ = 98160384. Its totient is φ = 31104000.

The previous prime is 56481421. The next prime is 56481427. The reversal of 56481425 is 52418465.

It is not a de Polignac number, because 56481425 - 2² = 56481421 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56481421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 925895 + ... + 925955.

It is an arithmetic number, because the mean of its divisors is an integer number (1022504).

Almost surely, 2^56481425 is an apocalyptic number.

56481425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56481425 is a deficient number, since it is larger than the sum of its proper divisors (41678959).

56481425 is a wasteful number, since it uses less digits than its factorization.

56481425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 134 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 56481425 is about 7515.4124969958. The cubic root of 56481425 is about 383.6794584340.

The spelling of 56481425 in words is "fifty-six million, four hundred eighty-one thousand, four hundred twenty-five".