53761530 has 16 divisors (see below), whose sum is σ = 129027744. Its totient is φ = 14336400.

The previous prime is 53761493. The next prime is 53761541. The reversal of 53761530 is 3516735.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1792051 = 53761530 / (5 + 3 + 7 + 6 + 1 + 5 + 3 + 0).

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, 895996 + ... + 896055.

It is an arithmetic number, because the mean of its divisors is an integer number (8064234).

Almost surely, 2^53761530 is an apocalyptic number.

53761530 is an abundant number, since it is smaller than the sum of its proper divisors (75266214).

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

53761530 is a wasteful number, since it uses less digits than its factorization.

53761530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792061.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 53761530 is about 7332.2254466158. The cubic root of 53761530 is about 377.4190987841.

The spelling of 53761530 in words is "fifty-three million, seven hundred sixty-one thousand, five hundred thirty".