55015153 has 8 divisors (see below), whose sum is σ = 56792736. Its totient is φ = 53258400.

The previous prime is 55015133. The next prime is 55015157. The reversal of 55015153 is 35151055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55015153 is a prime.

It is a super-2 number, since 2×55015153² = 6053334119226818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55015157) 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, 250 + ... + 10492.

It is an arithmetic number, because the mean of its divisors is an integer number (7099092).

Almost surely, 2^55015153 is an apocalyptic number.

It is an amenable number.

55015153 is a deficient number, since it is larger than the sum of its proper divisors (1777583).

55015153 is a wasteful number, since it uses less digits than its factorization.

55015153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10415.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 55015153 is about 7417.2200317909. The cubic root of 55015153 is about 380.3301678018.

The spelling of 55015153 in words is "fifty-five million, fifteen thousand, one hundred fifty-three".