1957055651 has 16 divisors (see below), whose sum is σ = 2085626400. Its totient is φ = 1831154688.

The previous prime is 1957055641. The next prime is 1957055663. The reversal of 1957055651 is 1565507591.

It is a cyclic number.

It is not a de Polignac number, because 1957055651 - 2⁶ = 1957055587 is a prime.

It is a super-2 number, since 2×1957055651² = 7660133642222067602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1957055641) 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, 729725 + ... + 732401.

It is an arithmetic number, because the mean of its divisors is an integer number (130351650).

Almost surely, 2^1957055651 is an apocalyptic number.

1957055651 is a deficient number, since it is larger than the sum of its proper divisors (128570749).

1957055651 is a wasteful number, since it uses less digits than its factorization.

1957055651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158.

The product of its (nonzero) digits is 236250, while the sum is 44.

The square root of 1957055651 is about 44238.6217122550. The cubic root of 1957055651 is about 1250.8379769901.

The spelling of 1957055651 in words is "one billion, nine hundred fifty-seven million, fifty-five thousand, six hundred fifty-one".