51049156 has 12 divisors (see below), whose sum is σ = 89433792. Its totient is φ = 25496648.

The previous prime is 51049151. The next prime is 51049183. The reversal of 51049156 is 65194015.

It is not an unprimeable number, because it can be changed into a prime (51049151) 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, 2560 + ... + 10423.

It is an arithmetic number, because the mean of its divisors is an integer number (7452816).

Almost surely, 2^51049156 is an apocalyptic number.

It is an amenable number.

51049156 is a deficient number, since it is larger than the sum of its proper divisors (38384636).

51049156 is a wasteful number, since it uses less digits than its factorization.

51049156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13970 (or 13968 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 51049156 is about 7144.8692080401. The cubic root of 51049156 is about 370.9620834876.

The spelling of 51049156 in words is "fifty-one million, forty-nine thousand, one hundred fifty-six".