53932890 has 32 divisors (see below), whose sum is σ = 141206976. Its totient is φ = 13074560.

The previous prime is 53932883. The next prime is 53932897. The reversal of 53932890 is 9823935.

It is an interprime number because it is at equal distance from previous prime (53932883) and next prime (53932897).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53932897) 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, 81387 + ... + 82046.

It is an arithmetic number, because the mean of its divisors is an integer number (4412718).

Almost surely, 2^53932890 is an apocalyptic number.

53932890 is an abundant number, since it is smaller than the sum of its proper divisors (87274086).

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

53932890 is a wasteful number, since it uses less digits than its factorization.

53932890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163454.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 53932890 is about 7343.9015516277. The cubic root of 53932890 is about 377.8196698706.

The spelling of 53932890 in words is "fifty-three million, nine hundred thirty-two thousand, eight hundred ninety".