45717855 has 16 divisors (see below), whose sum is σ = 73236480. Its totient is φ = 24353568.

The previous prime is 45717827. The next prime is 45717869. The reversal of 45717855 is 55871754.

It is not a de Polignac number, because 45717855 - 2¹⁶ = 45652319 is a prime.

It is a super-4 number, since 4×45717855⁴ (a number of 32 digits) contains 4444 as substring.

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, 17994 + ... + 20376.

It is an arithmetic number, because the mean of its divisors is an integer number (4577280).

Almost surely, 2^45717855 is an apocalyptic number.

45717855 is a deficient number, since it is larger than the sum of its proper divisors (27518625).

45717855 is a wasteful number, since it uses less digits than its factorization.

45717855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670.

The product of its digits is 196000, while the sum is 42.

The square root of 45717855 is about 6761.4979849143. The cubic root of 45717855 is about 357.5707197047.

The spelling of 45717855 in words is "forty-five million, seven hundred seventeen thousand, eight hundred fifty-five".