51922563 has 32 divisors (see below), whose sum is σ = 87962112. Its totient is φ = 26457600.

The previous prime is 51922561. The next prime is 51922567. The reversal of 51922563 is 36522915.

It is not a de Polignac number, because 51922563 - 2¹ = 51922561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (51922561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10123 + ... + 14363.

It is an arithmetic number, because the mean of its divisors is an integer number (2748816).

Almost surely, 2^51922563 is an apocalyptic number.

51922563 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

51922563 is a deficient number, since it is larger than the sum of its proper divisors (36039549).

51922563 is a wasteful number, since it uses less digits than its factorization.

51922563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315.

The product of its digits is 16200, while the sum is 33.

The square root of 51922563 is about 7205.7312606008. The cubic root of 51922563 is about 373.0657451308.

The spelling of 51922563 in words is "fifty-one million, nine hundred twenty-two thousand, five hundred sixty-three".