57093378 has 16 divisors (see below), whose sum is σ = 120903840. Its totient is φ = 17911616.

The previous prime is 57093371. The next prime is 57093389. The reversal of 57093378 is 87339075.

It is a super-2 number, since 2×57093378² = 6519307622901768, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57093371) 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, 279768 + ... + 279971.

It is an arithmetic number, because the mean of its divisors is an integer number (7556490).

Almost surely, 2^57093378 is an apocalyptic number.

57093378 is an abundant number, since it is smaller than the sum of its proper divisors (63810462).

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

57093378 is a wasteful number, since it uses less digits than its factorization.

57093378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559761.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 57093378 is about 7556.0160137469. The cubic root of 57093378 is about 385.0601536413.

The spelling of 57093378 in words is "fifty-seven million, ninety-three thousand, three hundred seventy-eight".