53929290 has 32 divisors (see below), whose sum is σ = 130190976. Its totient is φ = 14296640.

The previous prime is 53929259. The next prime is 53929303. The reversal of 53929290 is 9292935.

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, 6 + ... + 10385.

It is an arithmetic number, because the mean of its divisors is an integer number (4068468).

Almost surely, 2^53929290 is an apocalyptic number.

53929290 is an abundant number, since it is smaller than the sum of its proper divisors (76261686).

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

53929290 is a wasteful number, since it uses less digits than its factorization.

53929290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10574.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 53929290 is about 7343.6564462126. The cubic root of 53929290 is about 377.8112632435.

The spelling of 53929290 in words is "fifty-three million, nine hundred twenty-nine thousand, two hundred ninety".