90471054 has 16 divisors (see below), whose sum is σ = 185150592. Its totient is φ = 29455608.

The previous prime is 90471049. The next prime is 90471067. The reversal of 90471054 is 45017409.

It is a happy number.

It is a super-2 number, since 2×90471054² = 16370023223741832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175074 + ... + 175589.

It is an arithmetic number, because the mean of its divisors is an integer number (11571912).

Almost surely, 2^90471054 is an apocalyptic number.

90471054 is an abundant number, since it is smaller than the sum of its proper divisors (94679538).

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

90471054 is a wasteful number, since it uses less digits than its factorization.

90471054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350711.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 90471054 is about 9511.6273055666. The cubic root of 90471054 is about 448.9209603547.

It can be divided in two parts, 9047 and 1054, that added together give a palindrome (10101).

The spelling of 90471054 in words is "ninety million, four hundred seventy-one thousand, fifty-four".