56285390 has 16 divisors (see below), whose sum is σ = 115787232. Its totient is φ = 19297824.

The previous prime is 56285387. The next prime is 56285431. The reversal of 56285390 is 9358265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401969 + ... + 402108.

It is an arithmetic number, because the mean of its divisors is an integer number (7236702).

Almost surely, 2^56285390 is an apocalyptic number.

56285390 is an abundant number, since it is smaller than the sum of its proper divisors (59501842).

56285390 is a wasteful number, since it uses less digits than its factorization.

56285390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804091.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 56285390 is about 7502.3589623531. The cubic root of 56285390 is about 383.2350539903.

The spelling of 56285390 in words is "fifty-six million, two hundred eighty-five thousand, three hundred ninety".