51480504 has 48 divisors (see below), whose sum is σ = 140166000. Its totient is φ = 17069184.

The previous prime is 51480497. The next prime is 51480521. The reversal of 51480504 is 40508415.

51480504 = T₂₅₆ + T₂₅₇ + ... + T₆₈₇.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12532 + ... + 16124.

It is an arithmetic number, because the mean of its divisors is an integer number (2920125).

Almost surely, 2^51480504 is an apocalyptic number.

It is an amenable number.

51480504 is an abundant number, since it is smaller than the sum of its proper divisors (88685496).

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

51480504 is a wasteful number, since it uses less digits than its factorization.

51480504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804 (or 3797 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 51480504 is about 7174.9915679393. The cubic root of 51480504 is about 372.0039888577.

Adding to 51480504 its reverse (40508415), we get a palindrome (91988919).

It can be divided in two parts, 51480 and 504, that added together give a square (51984 = 228²).

The spelling of 51480504 in words is "fifty-one million, four hundred eighty thousand, five hundred four".