55494651 has 8 divisors (see below), whose sum is σ = 74031120. Its totient is φ = 36977312.

The previous prime is 55494631. The next prime is 55494667. The reversal of 55494651 is 15649455.

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 55494651 - 2¹⁷ = 55363579 is a prime.

It is a super-2 number, since 2×55494651² = 6159312579223602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55494631) 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, 4645 + ... + 11513.

It is an arithmetic number, because the mean of its divisors is an integer number (9253890).

Almost surely, 2^55494651 is an apocalyptic number.

55494651 is a deficient number, since it is larger than the sum of its proper divisors (18536469).

55494651 is a wasteful number, since it uses less digits than its factorization.

55494651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9565.

The product of its digits is 108000, while the sum is 39.

The square root of 55494651 is about 7449.4732028513. The cubic root of 55494651 is about 381.4319265751.

The spelling of 55494651 in words is "fifty-five million, four hundred ninety-four thousand, six hundred fifty-one".