2153557804 has 12 divisors (see below), whose sum is σ = 3932583984. Its totient is φ = 1029962384.

The previous prime is 2153557801. The next prime is 2153557811. The reversal of 2153557804 is 4087553512.

It is a super-2 number, since 2×2153557804² = 9275622430338604832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2153557801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11704027 + ... + 11704210.

It is an arithmetic number, because the mean of its divisors is an integer number (327715332).

Almost surely, 2^2153557804 is an apocalyptic number.

It is an amenable number.

2153557804 is a deficient number, since it is larger than the sum of its proper divisors (1779026180).

2153557804 is a wasteful number, since it uses less digits than its factorization.

2153557804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23408264 (or 23408262 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 2153557804 is about 46406.4414063393. The cubic root of 2153557804 is about 1291.3744147811.

The spelling of 2153557804 in words is "two billion, one hundred fifty-three million, five hundred fifty-seven thousand, eight hundred four".