57891054 has 16 divisors (see below), whose sum is σ = 124688592. Its totient is φ = 17812608.

The previous prime is 57891017. The next prime is 57891059. The reversal of 57891054 is 45019875.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57891059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371019 + ... + 371174.

It is an arithmetic number, because the mean of its divisors is an integer number (7793037).

Almost surely, 2^57891054 is an apocalyptic number.

57891054 is an abundant number, since it is smaller than the sum of its proper divisors (66797538).

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

57891054 is a wasteful number, since it uses less digits than its factorization.

57891054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742211.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 57891054 is about 7608.6170885385. The cubic root of 57891054 is about 386.8451463328.

The spelling of 57891054 in words is "fifty-seven million, eight hundred ninety-one thousand, fifty-four".