52523090 has 32 divisors (see below), whose sum is σ = 96297984. Its totient is φ = 20623360.

The previous prime is 52523069. The next prime is 52523101. The reversal of 52523090 is 9032525.

52523090 = T₄₀₄ + T₄₀₅ + ... + T₇₂₄.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

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, 204242 + ... + 204498.

It is an arithmetic number, because the mean of its divisors is an integer number (3009312).

Almost surely, 2^52523090 is an apocalyptic number.

52523090 is a deficient number, since it is larger than the sum of its proper divisors (43774894).

52523090 is a wasteful number, since it uses less digits than its factorization.

52523090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 52523090 is about 7247.2815593159. The cubic root of 52523090 is about 374.4985059385.

The spelling of 52523090 in words is "fifty-two million, five hundred twenty-three thousand, ninety".