1057061551 has 16 divisors (see below), whose sum is σ = 1312524864. Its totient is φ = 828946944.

The previous prime is 1057061507. The next prime is 1057061557. The reversal of 1057061551 is 1551607501.

It is not a de Polignac number, because 1057061551 - 2¹¹ = 1057059503 is a prime.

It is a super-2 number, since 2×1057061551² = 2234758245205051202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057061557) 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, 41116 + ... + 61681.

It is an arithmetic number, because the mean of its divisors is an integer number (82032804).

Almost surely, 2^1057061551 is an apocalyptic number.

1057061551 is a deficient number, since it is larger than the sum of its proper divisors (255463313).

1057061551 is a wasteful number, since it uses less digits than its factorization.

1057061551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102930.

The product of its (nonzero) digits is 5250, while the sum is 31.

The square root of 1057061551 is about 32512.4830026868. The cubic root of 1057061551 is about 1018.6697868720.

The spelling of 1057061551 in words is "one billion, fifty-seven million, sixty-one thousand, five hundred fifty-one".