90454953 has 16 divisors (see below), whose sum is σ = 127702080. Its totient is φ = 56793024.

The previous prime is 90454951. The next prime is 90454961. The reversal of 90454953 is 35945409.

It is not a de Polignac number, because 90454953 - 2¹ = 90454951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90454951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5275 + ... + 14447.

It is an arithmetic number, because the mean of its divisors is an integer number (7981380).

Almost surely, 2^90454953 is an apocalyptic number.

It is an amenable number.

90454953 is a deficient number, since it is larger than the sum of its proper divisors (37247127).

90454953 is a wasteful number, since it uses less digits than its factorization.

90454953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9368.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 90454953 is about 9510.7808827667. The cubic root of 90454953 is about 448.8943275077.

Adding to 90454953 its product of nonzero digits (97200), we get a triangular number (90552153 = T₁₃₄₅₇).

The spelling of 90454953 in words is "ninety million, four hundred fifty-four thousand, nine hundred fifty-three".