51077152 has 24 divisors (see below), whose sum is σ = 114924096. Its totient is φ = 21890112.

The previous prime is 51077137. The next prime is 51077153. The reversal of 51077152 is 25177015.

It is a super-2 number, since 2×51077152² = 5217750912862208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 51077152.

It is not an unprimeable number, because it can be changed into a prime (51077153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113788 + ... + 114235.

It is an arithmetic number, because the mean of its divisors is an integer number (4788504).

Almost surely, 2^51077152 is an apocalyptic number.

It is an amenable number.

51077152 is an abundant number, since it is smaller than the sum of its proper divisors (63846944).

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

51077152 is a wasteful number, since it uses less digits than its factorization.

51077152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228040 (or 228032 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 51077152 is about 7146.8281076293. The cubic root of 51077152 is about 371.0298845208.

The spelling of 51077152 in words is "fifty-one million, seventy-seven thousand, one hundred fifty-two".