1551056053 has 8 divisors (see below), whose sum is σ = 1587880800. Its totient is φ = 1514265648.

The previous prime is 1551056041. The next prime is 1551056063. The reversal of 1551056053 is 3506501551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1551056053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551056063) 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, 98403 + ... + 113071.

It is an arithmetic number, because the mean of its divisors is an integer number (198485100).

Almost surely, 2^1551056053 is an apocalyptic number.

It is an amenable number.

1551056053 is a deficient number, since it is larger than the sum of its proper divisors (36824747).

1551056053 is a wasteful number, since it uses less digits than its factorization.

1551056053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17171.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 1551056053 is about 39383.4489728871. The cubic root of 1551056053 is about 1157.5572986390.

The spelling of 1551056053 in words is "one billion, five hundred fifty-one million, fifty-six thousand, fifty-three".