55615351 has 6 divisors (see below), whose sum is σ = 61131056.
Its totient is φ = 50559300.
The previous prime is 55615321. The next prime is 55615367. The reversal of 55615351 is 15351655.
It is not a de Polignac number, because 55615351 - 25 = 55615319 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55615321) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229695 + ... + 229936.
Almost surely, 255615351 is an apocalyptic number.
55615351 is a deficient number, since it is larger than the sum of its proper divisors (5515705).
55615351 is a wasteful number, since it uses less digits than its factorization.
55615351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459653 (or 459642 counting only the distinct ones).
The product of its digits is 11250, while the sum is 31.
The square root of 55615351 is about 7457.5700466037.
The cubic root of 55615351 is about 381.7082624925.
The spelling of 55615351 in words is "fifty-five million, six hundred fifteen thousand, three hundred fifty-one".