51049408 has 14 divisors (see below), whose sum is σ = 101301296. Its totient is φ = 25524672.

The previous prime is 51049393. The next prime is 51049417. The reversal of 51049408 is 80494015.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51049408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398760 + ... + 398887.

Almost surely, 2^51049408 is an apocalyptic number.

It is an amenable number.

51049408 is a deficient number, since it is larger than the sum of its proper divisors (50251888).

51049408 is an equidigital number, since it uses as much as digits as its factorization.

51049408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797659 (or 797649 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 51049408 is about 7144.8868430508. The cubic root of 51049408 is about 370.9626938946.

The spelling of 51049408 in words is "fifty-one million, forty-nine thousand, four hundred eight".