151057553 has 4 divisors (see below), whose sum is σ = 151103040. Its totient is φ = 151012068.

The previous prime is 151057493. The next prime is 151057591. The reversal of 151057553 is 355750151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 355750151 = 53 ⋅6712267.

It is a cyclic number.

It is not a de Polignac number, because 151057553 - 2²⁰ = 150008977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151057453) 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, 17333 + ... + 24546.

It is an arithmetic number, because the mean of its divisors is an integer number (37775760).

Almost surely, 2^151057553 is an apocalyptic number.

It is an amenable number.

151057553 is a deficient number, since it is larger than the sum of its proper divisors (45487).

151057553 is an equidigital number, since it uses as much as digits as its factorization.

151057553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45486.

The product of its (nonzero) digits is 13125, while the sum is 32.

The square root of 151057553 is about 12290.5473027038. The cubic root of 151057553 is about 532.5750478693.

It can be divided in two parts, 15105 and 7553, that multiplied together give a triangular number (114088065 = T₁₅₁₀₅).

The spelling of 151057553 in words is "one hundred fifty-one million, fifty-seven thousand, five hundred fifty-three".