51455042 has 16 divisors (see below), whose sum is σ = 78029952. Its totient is φ = 25446960.

The previous prime is 51455029. The next prime is 51455069. The reversal of 51455042 is 24055415.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110903 + ... + 111365.

It is an arithmetic number, because the mean of its divisors is an integer number (4876872).

Almost surely, 2^51455042 is an apocalyptic number.

51455042 is a deficient number, since it is larger than the sum of its proper divisors (26574910).

51455042 is a wasteful number, since it uses less digits than its factorization.

51455042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 51455042 is about 7173.2169910020. The cubic root of 51455042 is about 371.9426483057.

The spelling of 51455042 in words is "fifty-one million, four hundred fifty-five thousand, forty-two".