55154455 has 8 divisors (see below), whose sum is σ = 66326400. Its totient is φ = 44029536.

The previous prime is 55154447. The next prime is 55154459. The reversal of 55154455 is 55445155.

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 55154455 - 2³ = 55154447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55154455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55154459) 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, 9120 + ... + 13909.

It is an arithmetic number, because the mean of its divisors is an integer number (8290800).

Almost surely, 2^55154455 is an apocalyptic number.

55154455 is a deficient number, since it is larger than the sum of its proper divisors (11171945).

55154455 is a wasteful number, since it uses less digits than its factorization.

55154455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23513.

The product of its digits is 50000, while the sum is 34.

The square root of 55154455 is about 7426.6045404343. The cubic root of 55154455 is about 380.6509042778.

It can be divided in two parts, 55154 and 455, that multiplied together give a triangular number (25095070 = T₇₀₈₄).

The spelling of 55154455 in words is "fifty-five million, one hundred fifty-four thousand, four hundred fifty-five".