51476544 has 168 divisors, whose sum is σ = 178783488. Its totient is φ = 13824000.

The previous prime is 51476543. The next prime is 51476549. The reversal of 51476544 is 44567415.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a junction number, because it is equal to n+sod(n) for n = 51476499 and 51476508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51476543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68169 + ... + 68919.

Almost surely, 2^51476544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51476544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89391744).

51476544 is an abundant number, since it is smaller than the sum of its proper divisors (127306944).

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

51476544 is a wasteful number, since it uses less digits than its factorization.

51476544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 780 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 51476544 is about 7174.7156041198. The cubic root of 51476544 is about 371.9944501427.

The spelling of 51476544 in words is "fifty-one million, four hundred seventy-six thousand, five hundred forty-four".