1557070054 has 8 divisors (see below), whose sum is σ = 2437153200. Its totient is φ = 744685656.

The previous prime is 1557070049. The next prime is 1557070063. The reversal of 1557070054 is 4500707551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16924629 + ... + 16924720.

It is an arithmetic number, because the mean of its divisors is an integer number (304644150).

Almost surely, 2^1557070054 is an apocalyptic number.

1557070054 is a deficient number, since it is larger than the sum of its proper divisors (880083146).

1557070054 is a wasteful number, since it uses less digits than its factorization.

1557070054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33849374.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 1557070054 is about 39459.7269884119. The cubic root of 1557070054 is about 1159.0514575365.

The spelling of 1557070054 in words is "one billion, five hundred fifty-seven million, seventy thousand, fifty-four".