51199410 has 32 divisors (see below), whose sum is σ = 130108032. Its totient is φ = 12849920.

The previous prime is 51199409. The next prime is 51199417. The reversal of 51199410 is 1499115.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (51199417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49686 + ... + 50705.

It is an arithmetic number, because the mean of its divisors is an integer number (4065876).

Almost surely, 2^51199410 is an apocalyptic number.

51199410 is an abundant number, since it is smaller than the sum of its proper divisors (78908622).

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

51199410 is a wasteful number, since it uses less digits than its factorization.

51199410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100418.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 51199410 is about 7155.3763003772. The cubic root of 51199410 is about 371.3256803620.

The spelling of 51199410 in words is "fifty-one million, one hundred ninety-nine thousand, four hundred ten".