57661433403 has 48 divisors (see below), whose sum is σ = 93222699264. Its totient is φ = 31580176320.

The previous prime is 57661433371. The next prime is 57661433413. The reversal of 57661433403 is 30433416675.

It is not a de Polignac number, because 57661433403 - 2⁵ = 57661433371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57661433413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285298 + ... + 443528.

It is an arithmetic number, because the mean of its divisors is an integer number (1942139568).

Almost surely, 2^57661433403 is an apocalyptic number.

57661433403 is a deficient number, since it is larger than the sum of its proper divisors (35561265861).

57661433403 is a wasteful number, since it uses less digits than its factorization.

57661433403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158352 (or 158345 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 42.

The spelling of 57661433403 in words is "fifty-seven billion, six hundred sixty-one million, four hundred thirty-three thousand, four hundred three".