90454056 has 64 divisors (see below), whose sum is σ = 281940480. Its totient is φ = 23494080.

The previous prime is 90454027. The next prime is 90454097. The reversal of 90454056 is 65045409.

It is a super-2 number, since 2×90454056² = 16363872493702272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 22626 + ... + 26321.

It is an arithmetic number, because the mean of its divisors is an integer number (4405320).

Almost surely, 2^90454056 is an apocalyptic number.

It is an amenable number.

90454056 is an abundant number, since it is smaller than the sum of its proper divisors (191486424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90454056 is a wasteful number, since it uses less digits than its factorization.

90454056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48974 (or 48970 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 90454056 is about 9510.7337256386. The cubic root of 90454056 is about 448.8928436769.

The spelling of 90454056 in words is "ninety million, four hundred fifty-four thousand, fifty-six".