1557110954 has 32 divisors (see below), whose sum is σ = 2868566400. Its totient is φ = 618697728.

The previous prime is 1557110939. The next prime is 1557110993. The reversal of 1557110954 is 4590117551.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32879 + ... + 64770.

It is an arithmetic number, because the mean of its divisors is an integer number (89642700).

Almost surely, 2^1557110954 is an apocalyptic number.

1557110954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1557110954 is a deficient number, since it is larger than the sum of its proper divisors (1311455446).

1557110954 is a wasteful number, since it uses less digits than its factorization.

1557110954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97742.

The product of its (nonzero) digits is 31500, while the sum is 38.

The square root of 1557110954 is about 39460.2452349197. The cubic root of 1557110954 is about 1159.0616058252.

The spelling of 1557110954 in words is "one billion, five hundred fifty-seven million, one hundred ten thousand, nine hundred fifty-four".