53451790 has 16 divisors (see below), whose sum is σ = 109958112. Its totient is φ = 18326304.

The previous prime is 53451787. The next prime is 53451809. The reversal of 53451790 is 9715435.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381729 + ... + 381868.

It is an arithmetic number, because the mean of its divisors is an integer number (6872382).

Almost surely, 2^53451790 is an apocalyptic number.

53451790 is an abundant number, since it is smaller than the sum of its proper divisors (56506322).

53451790 is a wasteful number, since it uses less digits than its factorization.

53451790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763611.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 53451790 is about 7311.0731086483. The cubic root of 53451790 is about 376.6928854627.

The spelling of 53451790 in words is "fifty-three million, four hundred fifty-one thousand, seven hundred ninety".