56478502 has 8 divisors (see below), whose sum is σ = 87007536. Its totient is φ = 27475992.

The previous prime is 56478481. The next prime is 56478503. The reversal of 56478502 is 20587465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56478503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381538 + ... + 381685.

It is an arithmetic number, because the mean of its divisors is an integer number (10875942).

Almost surely, 2^56478502 is an apocalyptic number.

56478502 is a deficient number, since it is larger than the sum of its proper divisors (30529034).

56478502 is a wasteful number, since it uses less digits than its factorization.

56478502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763262.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 56478502 is about 7515.2180274427. The cubic root of 56478502 is about 383.6728396538.

The spelling of 56478502 in words is "fifty-six million, four hundred seventy-eight thousand, five hundred two".