53274390 has 32 divisors (see below), whose sum is σ = 137694816. Its totient is φ = 13113600.

The previous prime is 53274383. The next prime is 53274401. The reversal of 53274390 is 9347235.

It is a happy number.

It is a congruent 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, 67911 + ... + 68690.

It is an arithmetic number, because the mean of its divisors is an integer number (4302963).

Almost surely, 2^53274390 is an apocalyptic number.

53274390 is an abundant number, since it is smaller than the sum of its proper divisors (84420426).

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

53274390 is a wasteful number, since it uses less digits than its factorization.

53274390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136624.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 53274390 is about 7298.9307436090. The cubic root of 53274390 is about 376.2756909349.

The spelling of 53274390 in words is "fifty-three million, two hundred seventy-four thousand, three hundred ninety".