90514557 has 16 divisors (see below), whose sum is σ = 153252480. Its totient is φ = 51722496.

The previous prime is 90514549. The next prime is 90514561. The reversal of 90514557 is 75541509.

90514557 is a `hidden beast` number, since 90 + 5 + 14 + 557 = 666.

It is not a de Polignac number, because 90514557 - 2³ = 90514549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90514507) 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, 239268 + ... + 239645.

It is an arithmetic number, because the mean of its divisors is an integer number (9578280).

Almost surely, 2^90514557 is an apocalyptic number.

It is an amenable number.

90514557 is a deficient number, since it is larger than the sum of its proper divisors (62737923).

90514557 is a wasteful number, since it uses less digits than its factorization.

90514557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478929 (or 478923 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 90514557 is about 9513.9138633898. The cubic root of 90514557 is about 448.9929033622.

The spelling of 90514557 in words is "ninety million, five hundred fourteen thousand, five hundred fifty-seven".