57263390 has 32 divisors (see below), whose sum is σ = 106773120. Its totient is φ = 22097664.

The previous prime is 57263389. The next prime is 57263407. The reversal of 57263390 is 9336275.

It is a self number, because there is not a number n which added to its sum of digits gives 57263390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33476 + ... + 35144.

It is an arithmetic number, because the mean of its divisors is an integer number (3336660).

Almost surely, 2^57263390 is an apocalyptic number.

57263390 is a deficient number, since it is larger than the sum of its proper divisors (49509730).

57263390 is a wasteful number, since it uses less digits than its factorization.

57263390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 57263390 is about 7567.2577595850. The cubic root of 57263390 is about 385.4419841108.

The spelling of 57263390 in words is "fifty-seven million, two hundred sixty-three thousand, three hundred ninety".