51479064 has 224 divisors, whose sum is σ = 179951520. Its totient is φ = 13436928.

The previous prime is 51479039. The next prime is 51479081. The reversal of 51479064 is 46097415.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 51479064 = 6³ + 372³ = 118³ + 368³.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 530664 + ... + 530760.

It is an arithmetic number, because the mean of its divisors is an integer number (803355).

Almost surely, 2^51479064 is an apocalyptic number.

51479064 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51479064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89975760).

51479064 is an abundant number, since it is smaller than the sum of its proper divisors (128472456).

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

51479064 is a wasteful number, since it uses less digits than its factorization.

51479064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 51479064 is about 7174.8912186876. The cubic root of 51479064 is about 372.0005202906. Note that the first 3 decimals are identical.

The spelling of 51479064 in words is "fifty-one million, four hundred seventy-nine thousand, sixty-four".