53662554 has 64 divisors (see below), whose sum is σ = 132312960. Its totient is φ = 15984000.

The previous prime is 53662547. The next prime is 53662561. The reversal of 53662554 is 45526635.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53662547) and next prime (53662561).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35494 + ... + 36974.

It is an arithmetic number, because the mean of its divisors is an integer number (2067390).

Almost surely, 2^53662554 is an apocalyptic number.

53662554 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53662554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66156480).

53662554 is an abundant number, since it is smaller than the sum of its proper divisors (78650406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53662554 is a wasteful number, since it uses less digits than its factorization.

53662554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1558 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 53662554 is about 7325.4729540146. The cubic root of 53662554 is about 377.1873445898.

The spelling of 53662554 in words is "fifty-three million, six hundred sixty-two thousand, five hundred fifty-four".