57454780 has 24 divisors (see below), whose sum is σ = 124548480. Its totient is φ = 22240320.

The previous prime is 57454777. The next prime is 57454783. The reversal of 57454780 is 8745475.

It is an interprime number because it is at equal distance from previous prime (57454777) and next prime (57454783).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57454783) 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, 45715 + ... + 46954.

It is an arithmetic number, because the mean of its divisors is an integer number (5189520).

Almost surely, 2^57454780 is an apocalyptic number.

It is an amenable number.

57454780 is an abundant number, since it is smaller than the sum of its proper divisors (67093700).

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

57454780 is a wasteful number, since it uses less digits than its factorization.

57454780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92709 (or 92707 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 57454780 is about 7579.8931390884. The cubic root of 57454780 is about 385.8709242961.

The spelling of 57454780 in words is "fifty-seven million, four hundred fifty-four thousand, seven hundred eighty".