90130551 has 24 divisors (see below), whose sum is σ = 140192640. Its totient is φ = 51356592.

The previous prime is 90130543. The next prime is 90130553. The reversal of 90130551 is 15503109.

It is not a de Polignac number, because 90130551 - 2³ = 90130543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90130553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70960 + ... + 72218.

It is an arithmetic number, because the mean of its divisors is an integer number (5841360).

Almost surely, 2^90130551 is an apocalyptic number.

90130551 is a deficient number, since it is larger than the sum of its proper divisors (50062089).

90130551 is a wasteful number, since it uses less digits than its factorization.

90130551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763 (or 1756 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 90130551 is about 9493.7111289527. The cubic root of 90130551 is about 448.3570558458.

The spelling of 90130551 in words is "ninety million, one hundred thirty thousand, five hundred fifty-one".