55535015 has 8 divisors (see below), whose sum is σ = 67042080. Its totient is φ = 44161312.

The previous prime is 55535003. The next prime is 55535017. The reversal of 55535015 is 51053555.

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

It is a cyclic number.

It is not a de Polignac number, because 55535015 - 2¹² = 55530919 is a prime.

It is a super-3 number, since 3×55535015³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55535017) 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, 32420 + ... + 34089.

It is an arithmetic number, because the mean of its divisors is an integer number (8380260).

Almost surely, 2^55535015 is an apocalyptic number.

55535015 is a deficient number, since it is larger than the sum of its proper divisors (11507065).

55535015 is a wasteful number, since it uses less digits than its factorization.

55535015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66681.

The product of its (nonzero) digits is 9375, while the sum is 29.

The square root of 55535015 is about 7452.1818952573. The cubic root of 55535015 is about 381.5243822546.

The spelling of 55535015 in words is "fifty-five million, five hundred thirty-five thousand, fifteen".