55532315 has 8 divisors (see below), whose sum is σ = 68788608. Its totient is φ = 42992640.

The previous prime is 55532311. The next prime is 55532317. The reversal of 55532315 is 51323555.

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

It is not a de Polignac number, because 55532315 - 2² = 55532311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55532311) 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, 178982 + ... + 179291.

It is an arithmetic number, because the mean of its divisors is an integer number (8598576).

Almost surely, 2^55532315 is an apocalyptic number.

55532315 is a deficient number, since it is larger than the sum of its proper divisors (13256293).

55532315 is a wasteful number, since it uses less digits than its factorization.

55532315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358309.

The product of its digits is 11250, while the sum is 29.

The square root of 55532315 is about 7452.0007380569. Note that the first 3 decimals coincide. The cubic root of 55532315 is about 381.5181991734.

The spelling of 55532315 in words is "fifty-five million, five hundred thirty-two thousand, three hundred fifteen".