2156070553 has 16 divisors (see below), whose sum is σ = 2739229696. Its totient is φ = 1650870720.

The previous prime is 2156070547. The next prime is 2156070589. The reversal of 2156070553 is 3550706512.

It is a cyclic number.

It is not a de Polignac number, because 2156070553 - 2¹³ = 2156062361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2156070593) 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, 379326 + ... + 384967.

It is an arithmetic number, because the mean of its divisors is an integer number (171201856).

Almost surely, 2^2156070553 is an apocalyptic number.

It is an amenable number.

2156070553 is a deficient number, since it is larger than the sum of its proper divisors (583159143).

2156070553 is a wasteful number, since it uses less digits than its factorization.

2156070553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764344.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 2156070553 is about 46433.5067919708. The cubic root of 2156070553 is about 1291.8764736752.

The spelling of 2156070553 in words is "two billion, one hundred fifty-six million, seventy thousand, five hundred fifty-three".