51176400 has 120 divisors (see below), whose sum is σ = 178884384. Its totient is φ = 12403200.

The previous prime is 51176393. The next prime is 51176401. The reversal of 51176400 is 467115.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51176401) 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, 11262 + ... + 15138.

Almost surely, 2^51176400 is an apocalyptic number.

51176400 is a gapful number since it is divisible by the number (50) 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 51176400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89442192).

51176400 is an abundant number, since it is smaller than the sum of its proper divisors (127707984).

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

51176400 is a wasteful number, since it uses less digits than its factorization.

51176400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909 (or 3898 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 51176400 is about 7153.7682377891. The cubic root of 51176400 is about 371.2700450581.

The spelling of 51176400 in words is "fifty-one million, one hundred seventy-six thousand, four hundred".