77555054 has 16 divisors (see below), whose sum is σ = 124867008. Its totient is φ = 35995392.

The previous prime is 77555041. The next prime is 77555161. The reversal of 77555054 is 45055577.

It is a junction number, because it is equal to n+sod(n) for n = 77554999 and 77555017.

It is a congruent number.

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, 13142 + ... + 18105.

It is an arithmetic number, because the mean of its divisors is an integer number (7804188).

Almost surely, 2^77555054 is an apocalyptic number.

77555054 is a deficient number, since it is larger than the sum of its proper divisors (47311954).

77555054 is a wasteful number, since it uses less digits than its factorization.

77555054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31339.

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 77555054 is about 8806.5347327993. The cubic root of 77555054 is about 426.4518815052.

The spelling of 77555054 in words is "seventy-seven million, five hundred fifty-five thousand, fifty-four".