53375837091 has 32 divisors (see below), whose sum is σ = 77194073088. Its totient is φ = 32674736640.

The previous prime is 53375837089. The next prime is 53375837101. The reversal of 53375837091 is 19073857335.

It is not a de Polignac number, because 53375837091 - 2¹ = 53375837089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (53375837491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1984465 + ... + 2011181.

It is an arithmetic number, because the mean of its divisors is an integer number (2412314784).

Almost surely, 2^53375837091 is an apocalyptic number.

53375837091 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

53375837091 is a deficient number, since it is larger than the sum of its proper divisors (23818235997).

53375837091 is a wasteful number, since it uses less digits than its factorization.

53375837091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27691.

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 53375837091 in words is "fifty-three billion, three hundred seventy-five million, eight hundred thirty-seven thousand, ninety-one".