54782570 has 16 divisors (see below), whose sum is σ = 101274408. Its totient is φ = 21320640.

The previous prime is 54782569. The next prime is 54782579. The reversal of 54782570 is 7528745.

It can be written as a sum of positive squares in 4 ways, for example, as 46144849 + 8637721 = 6793^2 + 2939^2 .

It is a super-2 number, since 2×54782570² = 6002259951609800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54782579) 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, 73661 + ... + 74400.

Almost surely, 2^54782570 is an apocalyptic number.

54782570 is a deficient number, since it is larger than the sum of its proper divisors (46491838).

54782570 is a wasteful number, since it uses less digits than its factorization.

54782570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148105.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 54782570 is about 7401.5248428956. The cubic root of 54782570 is about 379.7934473034.

The spelling of 54782570 in words is "fifty-four million, seven hundred eighty-two thousand, five hundred seventy".