90057950 has 24 divisors (see below), whose sum is σ = 167763072. Its totient is φ = 35968320.

The previous prime is 90057931. The next prime is 90057977. The reversal of 90057950 is 5975009.

It is a super-2 number, since 2×90057950² = 16220868716405000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90057950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53522 + ... + 55178.

It is an arithmetic number, because the mean of its divisors is an integer number (6990128).

Almost surely, 2^90057950 is an apocalyptic number.

90057950 is a deficient number, since it is larger than the sum of its proper divisors (77705122).

90057950 is a wasteful number, since it uses less digits than its factorization.

90057950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756 (or 2751 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 35.

The square root of 90057950 is about 9489.8867221901. The cubic root of 90057950 is about 448.2366382432.

The spelling of 90057950 in words is "ninety million, fifty-seven thousand, nine hundred fifty".