53355556078 has 32 divisors (see below), whose sum is σ = 95900163840. Its totient is φ = 21977112960.

The previous prime is 53355556043. The next prime is 53355556123. The reversal of 53355556078 is 87065555335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2765275 + ... + 2784502.

It is an arithmetic number, because the mean of its divisors is an integer number (2996880120).

Almost surely, 2^53355556078 is an apocalyptic number.

53355556078 is a deficient number, since it is larger than the sum of its proper divisors (42544607762).

53355556078 is a wasteful number, since it uses less digits than its factorization.

53355556078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549832.

The product of its (nonzero) digits is 9450000, while the sum is 52.

The spelling of 53355556078 in words is "fifty-three billion, three hundred fifty-five million, five hundred fifty-six thousand, seventy-eight".