51455154 has 16 divisors (see below), whose sum is σ = 108326880. Its totient is φ = 16248960.

The previous prime is 51455143. The next prime is 51455167. The reversal of 51455154 is 45155415.

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, 225567 + ... + 225794.

It is an arithmetic number, because the mean of its divisors is an integer number (6770430).

Almost surely, 2^51455154 is an apocalyptic number.

51455154 is an abundant number, since it is smaller than the sum of its proper divisors (56871726).

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

51455154 is a wasteful number, since it uses less digits than its factorization.

51455154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451385.

The product of its digits is 10000, while the sum is 30.

The square root of 51455154 is about 7173.2247978158. The cubic root of 51455154 is about 371.9429181695.

It can be divided in two parts, 514551 and 54, that added together give a triangular number (514605 = T₁₀₁₄).

The spelling of 51455154 in words is "fifty-one million, four hundred fifty-five thousand, one hundred fifty-four".