51919072 has 12 divisors (see below), whose sum is σ = 102215736. Its totient is φ = 25959520.

The previous prime is 51919061. The next prime is 51919081. The reversal of 51919072 is 27091915.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811204 + ... + 811267.

It is an arithmetic number, because the mean of its divisors is an integer number (8517978).

Almost surely, 2^51919072 is an apocalyptic number.

It is an amenable number.

51919072 is a deficient number, since it is larger than the sum of its proper divisors (50296664).

51919072 is a wasteful number, since it uses less digits than its factorization.

51919072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622481 (or 1622473 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 51919072 is about 7205.4890187967. The cubic root of 51919072 is about 373.0573839507.

It can be divided in two parts, 519 and 19072, that added together give a palindrome (19591).

The spelling of 51919072 in words is "fifty-one million, nine hundred nineteen thousand, seventy-two".