55152345 has 32 divisors (see below), whose sum is σ = 96105600. Its totient is φ = 26901504.

The previous prime is 55152343. The next prime is 55152371. The reversal of 55152345 is 54325155.

It is a happy number.

It is not a de Polignac number, because 55152345 - 2¹ = 55152343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55152343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4929 + ... + 11601.

It is an arithmetic number, because the mean of its divisors is an integer number (3003300).

Almost surely, 2^55152345 is an apocalyptic number.

It is an amenable number.

55152345 is a deficient number, since it is larger than the sum of its proper divisors (40953255).

55152345 is a wasteful number, since it uses less digits than its factorization.

55152345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729.

The product of its digits is 15000, while the sum is 30.

The square root of 55152345 is about 7426.4624822320. The cubic root of 55152345 is about 380.6460501299.

The spelling of 55152345 in words is "fifty-five million, one hundred fifty-two thousand, three hundred forty-five".