55861495 has 8 divisors (see below), whose sum is σ = 68170320. Its totient is φ = 43931520.

The previous prime is 55861493. The next prime is 55861529. The reversal of 55861495 is 59416855.

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

It is not a de Polignac number, because 55861495 - 2¹ = 55861493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55861493) 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, 94386 + ... + 94975.

It is an arithmetic number, because the mean of its divisors is an integer number (8521290).

Almost surely, 2^55861495 is an apocalyptic number.

55861495 is a deficient number, since it is larger than the sum of its proper divisors (12308825).

55861495 is a wasteful number, since it uses less digits than its factorization.

55861495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189425.

The product of its digits is 216000, while the sum is 43.

The square root of 55861495 is about 7474.0547897376. The cubic root of 55861495 is about 382.2705588539.

The spelling of 55861495 in words is "fifty-five million, eight hundred sixty-one thousand, four hundred ninety-five".