57047298 has 32 divisors (see below), whose sum is σ = 142248960. Its totient is φ = 14817360.

The previous prime is 57047297. The next prime is 57047357. The reversal of 57047298 is 89274075.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57047297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61278 + ... + 62201.

It is an arithmetic number, because the mean of its divisors is an integer number (4445280).

Almost surely, 2^57047298 is an apocalyptic number.

57047298 is an abundant number, since it is smaller than the sum of its proper divisors (85201662).

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

57047298 is a wasteful number, since it uses less digits than its factorization.

57047298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123502.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 57047298 is about 7552.9661723061. The cubic root of 57047298 is about 384.9565318890.

The spelling of 57047298 in words is "fifty-seven million, forty-seven thousand, two hundred ninety-eight".